Use the same logic for advertising routes in Router and Network

router.Query() allows to query the routes with given router.Strategy.
It uses the same logic as was implemented in flushRoutes but the code
was never updated. This way we are consistent across both router and
network packages.

router/default_test.go

@@ -18,7 +18,6 @@ func routerTestSetup() Router {
 func TestRouterStartStop(t *testing.T) {
 	r := routerTestSetup()
 
-	log.Debugf("TestRouterStartStop STARTING")
 	if err := r.Start(); err != nil {
 		t.Errorf("failed to start router: %v", err)
 	}